Hello all
anyone tried a rolling upgrades with no downtime [1] from 3.3.0 to
3.4.2 or similar upgrade? any comments?
for testing purposes we've installed a 3.4.2 server and it won't peer,
giving the error "peer probe: failed: Peer X does not support required
op-version".
I guess this is expected behavior for a new entry on the cluster
What about changing the software on an existing peer of the cluster?
Will it also refuse to re-enter the cluster after the upgrade for the
same reason (peers not supporting the required op-version)?
After all servers and clients are upgraded, how to increase the
op-version of the global cluster?
best regards,
joão
[1]
http://vbellur.wordpress.com/2013/07/15/upgrading-to-glusterfs-3-4/
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